Physics, 21.02.2020 04:33 jaleewoodyard1
Halley's comet is a comet that passes close to Earth every 75 years. Based on this passage, which gravitational attraction has the most influence on the movement of this astronomical object?
A. Attraction between the comet and Jupiter
B. Attraction between the comet and the Moon
C. Attraction between the comet and Earth
D. Attraction between the comet and the Sun
Answers: 2
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One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?
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Physics, 22.06.2019 10:30
Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.
Answers: 3
Physics, 22.06.2019 12:30
What would be the strength of earth's gravitational field at a point where an 80.0 kg astronaut would experience a 80% reduction in weight
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Halley's comet is a comet that passes close to Earth every 75 years. Based on this passage, which gr...
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